var effect = {
    show: true,
    scaleSize: 2,
    period: 30,             
    color: '#fff',
    shadowColor: 'rgba(220,220,220,0.4)',
    shadowBlur : 5 
};
function itemStyle(idx) {
    return {
        normal: {
            color:'#fff',
            borderWidth:1,
            borderColor:['rgba(30,144,255,1)','lime'][idx],
            lineStyle: {
                type: 'solid'
            }
        }
    }
};